Asymmetric polarization of defect dipoles in Bi4Ti3O12 and Bi2Ti4O11 ceramics with Na+ and La3+ modifications

被引：25

作者：

Jiang, AQ ^{[1
]}

Zhang, LD ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Hefei 230031, Peoples R China

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.60.9204

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Asymmetric polarization of defect dipoles around phase transitions develops the resistivity hysteretic behavior and imprint failure of Bi4Ti3O12 and Bi2Ti4O11 ceramics under various electric fields. The polarization was determined qualitatively by P-E hysteresis loop measurements along with the detection of current transient with time. A reduction in defect-dipole polarization occurs at high-field strength due to the defect-dipole decomposition and/or oxygen vacancy migration. [S0163-1829(99)11437-1].

引用

页码：9204 / 9207

页数：4

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